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303.02.021.01 KNORR-BREMSE Repair Kit

303.02.0021.01

Summary

The VADEN ORIGINAL 303.02.021.01 is a high-strength repair kit designed for the Multi-circuit Protection Valve within the brake system. It is fully compatible with KNORR-BREMSE (AE4525S1, II37922S1) and RENAULT TRUCKS systems, ensuring reliable performance for heavy commercial vehicle maintenance.

EAN Code8699031083865
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Compatible OEM Codes

  • KNORR-BREMSE II37922 S1 AE 4525 S1

Description

Maintaining the integrity of a pneumatic brake system requires precision components that ensure consistent air pressure regulation. This multi-circuit protection valve repair kit is engineered to restore the functionality of critical valve components, ensuring the vehicle remains safe during operation in heavy-duty environments.

The 303.02.021.01 is the OE equivalent of the KNORR-BREMSE AE4525S1 and II37922S1 multi-circuit protection valve used in RENAULT TRUCKS systems. This high-strength component kit provides an essential solution for workshop technicians and fleet managers looking to maintain original system specifications without replacing entire valve assemblies.

When performing maintenance on the brake system, technicians should verify the specific port requirements and pressure thresholds of the existing valve to ensure a perfect fit. This kit is designed for seamless integration into the pneumatic circuit, supporting professional workshop standards for heavy commercial vehicles.

Using high-strength components ensures that the multi-circuit protection function remains reliable under varying pressure conditions. Always consult your authorized distributor to verify compatibility with your specific vehicle braking hardware.

Other OEMs

KNORR-BREMSE

  • AE4525S1
  • II37922 S1
  • AE 4525 S1

Related Products

Vehicles Used

BrandModelModel TypeEngine
KNORR-BREMSE
RENAULT TRUCKS

FAQ

What does this repair kit specifically support?
This kit is designed to repair and maintain the functionality of the multi-circuit protection valve within a pneumatic brake system.
Which OEM references are compatible with this part?
This product is compatible with the following OEM codes: AE4525S1, II37922S1.
Is this kit suitable for heavy commercial vehicles?
Yes, it is specifically designed for heavy commercial vehicle brake systems, including those from KNORR-BREMSE and RENAULT TRUCKS.
Can this part be used for any truck model?
It is compatible with specific systems using the referenced OEM codes, ensuring proper fitment for compatible RENAULT TRUCKS and KNORR-BREMSE hardware.
What should a technician check before installation?
Technicians should ensure the valve's port specifications and pressure requirements match the original system standards for a successful repair.